Home / 36,168.04-54,187.26-12,779.56

Finding the Fourth Proportional to 36,168.04, 54,187.26 and 12,779.56

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Solution

The fourth proportional to 36,168.04, 54,187.26 and 12,779.56 is: 19,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.04 : 54,187.26 = 12,779.56 : x
  2. Step 2: Convert to fraction form
    36,168.04/54,187.26 = 12,779.56/x
  3. Step 3: Cross multiply
    36,168.04x = 54,187.26 × 12,779.56
  4. Step 4: Simplify right side
    36,168.04x = 692,489,340.41
  5. Step 5: Solve for x
    x = 692,489,340.41/36,168.04
  6. Step 6: Final answer
    x = 19,146.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.